<template>
    <div>
        <!-- 面包屑导航区域 -->
       <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <div id="main" style="width:600px;height:400px"></div>
        </el-card>
    </div>
</template>

<script>
import echarts from 'echarts'
import _ from 'lodash'
export default {
  data () {
    return {
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },
  created () {
  },
  async mounted () {
    // 初始化echarts实例
    const mychart = echarts.init(document.getElementById('main'))
    const { data: res } = await this.$http.get('/reports/type/1')
    if (res.meta.status !== 200) {
      return this.$message.error('获取图表数据失败！')
    }
    const data = _.merge(res.data, this.options)
    mychart.setOption(data)
  },
  methods: {

  }
}
</script>

<style lang="less" scoped>

</style>
